45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_LAYERS_ACTIVERESOURCE
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#define MOZILLA_LAYERS_ACTIVERESOURCE
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#include "nsExpirationTracker.h"
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namespace mozilla::layers {
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/**
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* See ActiveResourceTracker below.
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*/
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class ActiveResource {
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public:
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virtual void NotifyInactive() = 0;
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nsExpirationState* GetExpirationState() { return &mExpirationState; }
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bool IsActivityTracked() { return mExpirationState.IsTracked(); }
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private:
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nsExpirationState mExpirationState;
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};
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/**
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* A convenience class on top of nsExpirationTracker
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*/
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class ActiveResourceTracker final
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: public nsExpirationTracker<ActiveResource, 3> {
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public:
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ActiveResourceTracker(uint32_t aExpirationCycle, const char* aName,
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nsIEventTarget* aEventTarget)
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: nsExpirationTracker(aExpirationCycle, aName, aEventTarget) {}
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void NotifyExpired(ActiveResource* aResource) override {
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RemoveObject(aResource);
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aResource->NotifyInactive();
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}
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};
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} // namespace mozilla::layers
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#endif
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